Geezer (noun)

An old man, often with a grumpy or eccentric personality.

Origin:

The word "geezer" is of uncertain origin, it first appeared in the late 1800s in the english language. it is often used to refer to an old man, but it can also be used to describe someone who is eccentric or odd.

Examples:

1. He was a cantankerous old geezer.
2. The geezer on the corner was known for his eccentric behavior.
3. The geezer was always grumbling about something.
4. He was a geezer who still wore knickerbockers.
5. The geezer was always telling stories of his youth.